System.BuiltInLog10

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Delphi

function BuiltInLog10(X: Real): Extended; overload;
function BuiltInLog10(X: Real): Double; overload;
function BuiltInLog10(X: Real): Single; overload;

Properties

Type	Visibility	Source	Unit	Parent
function	public	System.pas	System	System

Description

Calculates log base 10.

BuiltInLog10 returns the log base 10 of X.

Compiler Support

The following table shows which Delphi compilers support this function:

DCC32	DCC64	DCCOSX	DCCAARM	DCCIOSARM	DCCIOSARM64	DCCIOS32
Error creating thumbnail: Unable to save thumbnail to destination		Error creating thumbnail: Unable to save thumbnail to destination

See Also

• System.BuiltInLog2

• System.BuiltInLn

• System.Math.Log2

• System.Ln

• System.Math.LogN

• Mathematical Routines

• Delphi Intrinsic Routines